e/Shibboleth (computer security)

Information
has gloss	eng: Within the field of computer security, the word shibboleth is sometimes used with a different meaning than the usual meaning of verbal, linguistic differentiation. The general concept of shibboleth is to test something, and based on that response to take a particular course of action. This principle is frequently used in computer security. The most commonly seen usage is logging on to a computer with a password. If the password is entered correctly, the user can log on to the computer; if the password entered is incorrect password, access is blocked.
lexicalization	eng: shibboleth
instance of	c/Computer security procedures